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Nickel Plating

General

Nickel plating is a process involving plating or chemical coating of a thin layer of nickel from 1 to 100 micron. Nickel coatings are used to ensure high corrosion resistance (pore-free), rather high hardness as well as high decorative properties. Nickel coating brightness is similar to chromium one.

The application fields of the nickel-coated parts depend on two factors: copper plating is used separately or serves as a sublayer (bottom layer) for other plating types. Nickel coatings are applied almost on any steel and non-ferrous metal.

The main scope of the services is rendered in nickel electro or chemical plating with the following goals.

Nickel as a separate coating

DECORATIVE PURPOSES.Nickel coating is specified by good high finish and almost do not tarnish when exposed to open air. The coatings withstand operation under the atmospheric conditions owing to their high corrosion resistance properties. These are the decorative items, guards, equipment and tools which are generally coated with nickel.

TECHNICAL PURPOSES.Nickel coatings are applied to protect from corrosion the electrical contacts or units operated in humid environment. Black nickel plating process is widely used when the matter involves optical industry.

CHROME REPLACEMENT.In several cases it is possible to replace chrome coatings with the nickel ones due to the technological complexity of chrome plating applied on the items specified by composite geometry of the surfaces. If the properties of the coating and their modes are selected properly, the deviation of the items’ lifespan is minor (the units and parts of various designations including food industry).

Nickel coatings as combined with the other plating types

MULTI LAYER PROTECTIVE AND DECORATIVE COATING.As a rule if applied together with copper and chrome (copper plating / nickel plating / chrome plating) and other metals used as an interlayer to increase chrome brightness as well as to achieve high corrosion protection and to protect against copper diffusion through the chrome pores onto the surface resulting in rust spots on chrome coating within short operation period.

Nickel-plated parts

Limits set for the part size and mass

Currently our production facilities allow applying steel nickel plating on the items 3,000x800x700 mm in dimension and 250 kg max in mass. The dimensions of the parts to plate with nickel through chemical methods are equal to 800x600x400 mm.